Application
Industry Overview
Controllers are classified into combinational‑logic controllers and microprogrammed controllers, each with its own strengths and weaknesses. Combinational‑logic controllers are cumbersome to design and have a complex structure; once designed, they cannot be modified or expanded, but they offer high speed. Microprogrammed controllers, by contrast, are easy to design, feature a simple architecture, and allow for convenient modification and expansion: altering the functionality of a machine instruction merely requires rewriting the corresponding microprogram, while adding a new instruction entails inserting an additional microprogram segment into the control store. However, execution of a microprogram is inherently slower than direct hardware implementation. A detailed comparison is as follows: a combinational‑logic controller, also known as a hardwired controller, is constructed from logic circuits and relies entirely on hardware to implement instruction functions.
Adhesive solution
As the command and control center of an electric-assist bicycle, the quality of the controller directly determines the vehicle’s stability and safety. Wann’s potting compounds deliver industry‑leading performance in vibration resistance, water tightness, and electrical insulation, ensuring reliable operation even under rough road conditions, in humid environments, or in the presence of electrical arcs—making them the ideal choice for potting electric‑assist bicycle controllers.
Product Selection:
| Product model |
Color |
Type |
Weight ratio |
Operation time (min) |
Mixed viscosity mPa·s (40℃) |
Hardness |
Thermal conductivity (W/m·K) |
Characteristics |
| Waen®SE660 |
Black/Gray |
Addition-type |
1:1 |
50 |
4000±500 |
55A |
0.6 |
Low viscosity, thermal-conductive potting for electronic products. |
| Product model |
Color |
Weight ratio |
Operation time (min) |
Mixed viscosity mPa·s (40℃) |
Curing conditions |
Hardness Shore |
Characteristics |
| Waen®EP901 |
White/Black |
5:1 |
30 |
2000±500 |
25℃ x 6H |
75±10D | Low viscosity, excellent fluidity, and high strength. |
Focusing on the innovation and application of adhesives in the electronic market
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